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Merge pull request #8594 from leoetlino/fs-createfullpath-fix 

IOS/FS: Fix CreateFullPath to not create directories that already exist
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Léo Lam 2020-02-02 16:50:02 +01:00 committed by GitHub
parent 4c9b1f3e0b bbc8631357
commit 06d0b1ad48
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 24 additions and 3 deletions
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5
Source/Core/Core/IOS/FS/FileSystem.cpp
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@ -115,9 +115,12 @@ ResultCode FileSystem::CreateFullPath(Uid uid, Gid gid, const std::string& path,
if (metadata && metadata->is_file) if (metadata && metadata->is_file)
return ResultCode::Invalid; return ResultCode::Invalid;
if (!metadata)
{
const ResultCode result = CreateDirectory(uid, gid, subpath, attribute, modes); const ResultCode result = CreateDirectory(uid, gid, subpath, attribute, modes);
if (result != ResultCode::Success && result != ResultCode::AlreadyExists) if (result != ResultCode::Success)
return result; return result;
}
++position; ++position;
} }

18
Source/UnitTests/Core/IOS/FS/FileSystemTest.cpp
View File

@ -434,3 +434,21 @@ TEST_F(FileSystemTest, ReadDirectoryOrdering)
ASSERT_EQ(result->size(), file_names.size()); ASSERT_EQ(result->size(), file_names.size());
EXPECT_TRUE(std::equal(result->begin(), result->end(), file_names.rbegin())); EXPECT_TRUE(std::equal(result->begin(), result->end(), file_names.rbegin()));
} }
TEST_F(FileSystemTest, CreateFullPath)
{
ASSERT_EQ(m_fs->CreateFullPath(Uid{0}, Gid{0}, "/tmp/a/b/c/d", 0, modes), ResultCode::Success);
// Parent directories should be created by CreateFullPath.
for (const std::string& path : {"/tmp", "/tmp/a", "/tmp/a/b", "/tmp/a/b/c"})
EXPECT_TRUE(m_fs->ReadDirectory(Uid{0}, Gid{0}, path).Succeeded());
// If parent directories already exist, the call should still succeed.
EXPECT_EQ(m_fs->CreateFullPath(Uid{0}, Gid{0}, "/tmp/a/b/c/d", 0, modes), ResultCode::Success);
// If parent directories already exist and are owned by a different user,
// CreateFullPath should still succeed.
// See https://github.com/dolphin-emu/dolphin/pull/8593
EXPECT_EQ(m_fs->CreateFullPath(Uid{0x1000}, Gid{1}, "/shared2/wc24/mbox/Readme.txt", 0, modes),
ResultCode::Success);
}